Mold-form hanger



Jan. 25, '1927.

J. DOWNING MOLD FORM HANGER Filed June 2, 1926 .3

M A'ITOR EY- Patented Jan. 25, 1927.

En STATES JOHN lDOWNING, OF NEW YORK, N. Y.

MOLD-FORM HANGER.

/ Applicationflled June 2,

This invention relates to mold form hangers, and has for, its primary objectv to. provide a simple and effective means for: suspending concrete mold forms with. relation to the floor beams of'a'building and'which is of such construction as to enable the several boards or planks forming the mold structure to be very easily and quickly, as well as accurately assembled with relation. to'thebeams and'subsequently removed after the; concrete has become set. I

It is another object of my invention to provide a, mold. form hanger of the above character. in which the use of locking wedges and other parts of special construction is entirely avoided, the apparatus being composed of. elementsfof simple conventional form. which can be easily assembled with a minimum of manual-labor.

With the above and other objects in view, the invention consists in the improved mold form hanger, and in the form, construction and relative arrangement of its several parts as will'be hereinafter more fully described, illustrated in the accompanying drawings, and subsequently incorporated in the subjoined claims.

In the drawings, wherein I have illustrated one simple and practical embodiment of the invention and in which similar reference characters designate corresponding parts throughout the several views,

Figure 1 is a top plan view illustrating one embodiment of my present improvements as applied with relation to the floor beams of a building;

Fig. 2 is a sectional view taken substantially on the line 22 of Fig. 1, and

Fig. 3 is a section taken on the line 3-3 of Fig. 1.

Referring in detail to the drawing, 5 designates the I-beams of the floor of a building around which the concrete is to be molded. These beams are arranged at right angles to each other, the beams extending in one direction being positioned between and suitably secured to the beams which extend at right angles thereto.

At the points of intersection of the floor beams 5, a pair of metal bars 6 is arranged across each beam in parallel relation to the other beam extending at right angles thereto, said bars intersecting each other and having spaced openings 7 therein. At the points of intersection, these bars are connected by the bolts 8 which extend upwardly 1926. Serial No. 113,169.

through the registering openings in said.

bars and have their upper ends threaded to receive the clamping nuts 9. The lower ends of these bolts 8 are provided with eyes 10' whichare connected with bars 11 extending beneath one of the beams 5 at right angles thereto. These bars are adapted to support the mold boards 12, said bars having spaced openings 13 to receive the bolt-s14. engaged through the eyes on the lower endsof the bolts 8 as maybe desired in accordance with y ranged extending over the. beam and terminating in hooks 16 for engagement with one of the beam-flanges. These bars also have a plurality of spaced openings 17 to receive vertical bolts 18, the upper ends of which are threaded to receive the nuts 19. The lower ends ofthese bolts 18 terminate in eyes adapted for connection with the sectional metal bars 20, the sections of which are connected at their overlapping ends by bolts 21. These sectional bars extend between the spaced parallel beams 5 as shown in Fig. 1 of the drawings and upon the same the mold boards 22 are supported. these mold boards adjacent to the beams 5 and the lower mold boards 12 beneath the other beams which extend at right angles to the first named beams the mold boards 23 arranged in a vertical plane are positioned.

After ,the hanger means has thus been applied and the mold boards properly arranged thereon, the concrete is then poured into the space above the mold boards 22 to the plane of the upper surfaces of the beams and also around the beams between the same and the moldboards 12 and 23 so that the several beams will be practically entirely encased within the concrete. After the concrete has properly set, the mold may be easily and quickly removed by simply unthreading the nuts 9 and 19 from the upper ends of the bolts 8 and 18, thus permitting the hanger and the mold boards to drop from the lower side of the molded structure.

From the foregoing description considered in connection with the accompanying drawings, it is believed that the construction of my improved mold hanger and the manner of assembling the same will be clearly and fully understood. It will be appreci- Between ated that such a device may be very easily and quickly applied for the purpose of properly molding the concrete around the floor beams with a minimum of manual labor. Also, in view of the fact that no small parts of a special construction are required, my invention may be manufactured and sold at nominal cost.

While I have herein shown and described an embodiment of the invention which I believe to be entirely practical, it will nevertheless be understood that the device might also be incorporated in various other alternative structures, and I accordingly reserve the privilege of adopting all such legitimate changes as may be fairly embodied within the spirit and scope of the invention as claimed.

I claim:

1. In combination with building floor beams, a mold form hanger comprising intersecting pairs of metal bars adapted to be arranged upon and across the beams, hanger bolts detachably connected with said bars at opposite sides of the beams, the metal bars connecting the lower ends of said bolts with each other and adapted to support mold boards beneath and at opposite sides of the beams, additional metal bars adapted to be engaged upon the beams, bolts detachably connected at their upper ends to the latter bars, and mold boards supporting means connecting the lower ends of said latter bolts with each other and extending between the spaced floor beams.

2. In combination with the floor beams of a building extending in intersecting relation to each other, a mold form hanger comprising pairs of bars extending across the beams at their points of intersection, and said pairs of bars intersecting each other and having registering openings therein, hanger rods adapted to be removably engaged through said registering openings to connect said bars with each other and extend downwardly therefrom below the floor beams, bars detachably connecting the lower ends of said hanger rods and extending at right angles to the beams beneath the same, additional metal bars having hooks at one of their ends for engagement with one of the beam flanges of beams extending in parallel relation to each other, each of the latter bars having spaced openings therein, hanger rods adapted to be engaged through one of said openings and detachably connected with said bars in depending relation thereto, and sectional mold board supporting bars connecting the lower ends of the corresponding latter hanger rods with each other.

In testimony that I claim the foregoing as my invention, I have signed by name hereto.

JOHN DOWNING. 

